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Position:IcFull.com » IC Electronic information » Category: M

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MAX9924-MAX9927 Performance / Application

In Electronic Infomation Category: M | on April 15,2011

MAX9924-MAX9927 variable reluctance (VR or electromagnetic coil) sensor interface for automotive crankshafts, camshafts, drive shafts and F7416 datasheet and other components of the position and F7416 price and speed of detection. These devices integrate the optional high-precision adaptive threshold peak amplifiers and F7416 suppliers and comparators, and zero-crossing detection circuit, the module can be in a noisy VR system noise or weak signal environments have a strong output pulse.

MAX9926/MAX9927 MAX9924/MAX9925 are dual-channel version of the device. MAX9924/MAX9926 integrate input matching resistors and high-precision CMOS operational amplifier in a wide range of input frequency and temperature to provide extremely high CMRR. MAX9924/MAX9926 differential amplifier provides 1V / V fixed gain. MAX9925/MAX9927 internal op amp allows the use of the three endpoints, and provide better gain stability. MAX9926 also provides directional output, high-performance engines for some orthogonal connection VR sensor is very useful. These devices can be connected to a new generation of differential VR sensors can also be connected to a conventional single-ended VR sensor.

MAX9924/MAX9925 MAX ? 10-pin package; MAX9926/MAX9927 16-pin QSOP package, all the devices work in the -40 C to +125 C automotive temperature range.

Simplified block diagram of the


Key features

differential input stage provides enhanced noise rejection

Precision Amplifiers and Comparators support for small signal detection

Users can be internal or flexible adaptive peak threshold limit of the external sector

zero-crossing detection to provide accurate phase information

Application

camshaft VRS Interface

Shaft VRS Interface

speed VRS Interface

data Download: MAX9924-MAX9927.rar

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